Supplemental Consolidated Financial Information (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Sep. 30, 2020	Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gross pawn service charges receivable	$ 26,607	$ 27,259	$ 34,843
Allowance for uncollectible pawn service charges receivable	(5,765)	(6,679)	(7,539)
Pawn service charges receivable, net	20,842	20,580	27,304
Gross inventory	93,470	108,205	182,794
Inventory reserves	(7,256)	(12,314)	(9,543)
Inventory, net	86,214	95,891	173,251
Prepaid expenses and other	7,881	10,614	8,953
Accounts receivable and other	8,442	6,991	10,934
Income taxes receivable	14,353	15,298	3,742
Prepaid expenses and other current assets	30,676	32,903	23,629
Property and equipment, gross	273,513	267,509	261,234
Accumulated depreciation	(221,677)	(210,523)	(202,447)
Property and equipment, net	51,836	56,986	58,787
Accounts payable	17,957	19,114	15,582
Accrued expenses and other	51,062	52,390	37,570
Accounts payable, accrued expenses and other current liabilities	$ 69,019	$ 71,504	$ 53,152